ONTARIO >> Community members are coming together Saturday to raise funds for the family of a 4-year-old girl who died after she was thrown from a motorcycle this week.

And they’re expecting a big crowd.

Organizers said they are preparing for anywhere from 500 to 2,500 people at the car/bike wash fundraiser, scheduled from 10 a.m. to 4 p.m. in the parking lot of Citizens Business Bank Arena, 4000 E. Ontario Center Parkway.

In addition to the wash, there will be a raffle, DJ, food trucks and vendors.

“Contributions can be made in any way that helps out,” said Steve Sellner, who helped put the event together. “If people don’t need their car washed, they can buy a raffle ticket.”

All proceeds will go to the family of Breann Creer.

“We’re hoping for support for Breann (and her family),” said Sellner, a 26-year-old Rowland Heights resident. “We’re fundraising for the family, for the burial, for what they need. …We want them to be fully covered.”

Sellner, who started planning the event on Tuesday, said he has no connection with the family. But as a motorcycle rider himself, who helps manage a Facebook page that posts biker safety alerts called Biker Down Alerts (SoCal), he decided to get involved after hearing about the collision that took Breann’s life.

Breann died at about 11 a.m. Tuesday after a semi-truck traveling east on Sixth Street tried to make a U-turn in front of the motorcycle she was riding on with a family friend, sheriff’s officials said.

The motorcycle was also heading east on Sixth when it was forced to its side and was ultimately trapped underneath the tractor-trailer, sheriff’s officials said. The motorcycle was dragged for several feet before the semi stopped, authorities said.

The boyfriend of Breann’s mother, who reportedly was driving the motorcycle, suffered extensive injuries and was taken to a hospital. He was released a short time later, sheriff’s officials said.

“Everyone is feeling this. It’s been really sad,” said Kimberly Salazar of Colton,

She and her husband Pete helped organize Saturday’s event. The couple, who are a part of the Fallen Riders Foundation, said they too were moved to help although not knowing the family.

People can donate to the family even if they don’t come to Saturday’s fundraiser, Kimberly Salazar said.

An online account has been set up at gofundme.com or you can donate to the Breann Creer memorial fund set up at Wells Fargo.

“You can go into any Wells Fargo and just state that you want to donate money to that fund,” Kimberly Salazar said.